[    2.689503] ip (279) used greatest stack depth: 12344 bytes left
[   15.449551] ip (1174) used greatest stack depth: 12288 bytes left
[   61.886973] netem: version 1.3
[  139.063288] ip (3790) used greatest stack depth: 12160 bytes left
[  683.998278] pm_nl_ctl (18730) used greatest stack depth: 11832 bytes left